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Summary

Just before the summer holiday, while his classmate is excited to have a girlfriend, Tomorou has none. He is smart and handsome but lacks something. He has an old friend, Chiharu, but he isn't interested in her. One day, Chiharu's mother asks Tomorou to hand over a shopping list memo to Chiharu because she left it at home. After school, he goes to her classroom but Chiharu isn't there. According to her classmate, she is on the roof. He goes there and see Chiharu having sex with other students. Chiharu invites Tomorou to join them, and so his sex life starts... [Edited from Himeya Shop]

Summer☆Camp
Summer☆Camp
NAN%
Tags
  • Shotacon Heroine
  • Summer Camp
  • Popular Protagonist
  • Promiscuity
  • Heroine with Swimsuits
Rating 6.0732 Users
Nanpa Nama Hame Nakadashi Banzai 5
Nanpa Nama Hame Nakadashi Banzai 5
NAN%
Tags
  • Nanpa
  • Playboy Protagonist
  • Beach
  • Sex on a Beach
  • Long Sexual Scenes
Rating 6.4139 Users
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
NAN%
Tags
  • Elementary School
  • Elementary School Student Heroine
  • Only Loli Heroines
  • Student-Teacher Romance
  • Armpit Licking
Rating 6.2225 Users
Jugyou de Ecchi? ~Hisshuu Kamoku wa Sei Kyouiku! Sensei ya Doukyuusei to Aheahe Peropero Benkyouchuu~
Jugyou de Ecchi? ~Hisshuu Kamoku wa Sei Kyouiku! Sensei ya Doukyuusei to Aheahe Peropero Benkyouchuu~
NAN%
Tags
  • Netorare Type A
  • Condoms
  • Sexual Devices
  • Group Sex of Multiple Females and Males
  • Sex in Public Places
Rating 6.9036 Users
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
Haramase Taiken Gakushuu ~Shizen no Naka de Seikyouiku!?~
NAN%
Tags
  • Unavoidable Harem Ending
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Single Ending
  • Cousin Incest
Rating 6.2423 Users
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
NAN%
Tags
  • Rounin Protagonist
  • Onsen
  • Consensual Group Sex of One Female and Several Males
  • Tribadism on Penis
  • Soapy Massage
Rating 6.9620 Users
Flatcheez 2
Flatcheez 2
NAN%
Tags
  • Elementary School
  • Elementary School Student Protagonist
  • Urban Legend
  • Non-penetrative Sex
  • Shotacon Heroine
Rating 7.32129 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
NAN%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Boy Meets Wives
Boy Meets Wives
NAN%
Tags
  • Only Older Heroines
  • Lotion Play
  • Middle School Student Protagonist
  • Breast Smothering
  • Consumption of Pornography
Rating 6.7527 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
NAN%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6752 Users
Juicy Age
Juicy Age
NAN%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7538 Users
Mama! Tsuma?
Mama! Tsuma?
NAN%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6674 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
NAN%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8822 Users
Mama ★ Camp ~Mama to Issho ni Shizen e Kaerou~
Mama ★ Camp ~Mama to Issho ni Shizen e Kaerou~
NAN%
Tags
  • Summer Camp
  • Incest Romance
  • Heroine's Mother as a Heroine
  • Mother/Son Romance
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.9759 Users
Zoku Mama Club
Zoku Mama Club
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Nariyuki → Papakatsu Girls!!
Nariyuki → Papakatsu Girls!!
NAN%
Tags
  • Ojicon
  • No Protagonist
  • Sex Involving Prostitution
  • Prostitute Heroine
  • Third-person Narrative
Rating 6.22210 Users
Matty
Matty
NAN%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Hassha All Right♪ Inaka Ressha wa Hamerare Houdai!? ~Gyaru to Bunjo no Ojisan Ijiri~
Hassha All Right♪ Inaka Ressha wa Hamerare Houdai!? ~Gyaru to Bunjo no Ojisan Ijiri~
NAN%
Tags
  • Trains
  • Chikan Heroine
  • Body Smell Fetish
  • Completely Avoidable Rape by Others
  • Comedic Sex Scenes
Rating 5.2782 Users
Yarasete! Teacher Change
Yarasete! Teacher Change
NAN%
Tags
  • Perverted Friend
  • Hetare Protagonist
  • Feet Licking
  • Shota Protagonist
  • School Life Comedy
Rating 6.5238 Users
Yarasete! Teacher Treasure Story
Yarasete! Teacher Treasure Story
NAN%
Tags
  • Tsundere Heroine
  • Teacher Heroine
  • Bathroom Sex
  • Adult Heroine
  • Standing Sex
Rating 6.0626 Users
Sumeragi Ryouko no Bitch na 1 nichi
Sumeragi Ryouko no Bitch na 1 nichi
NAN%
Tags
  • Nympho Protagonist
  • Foreskin Play
  • Chikan Protagonist
  • Randomized Events
  • Teacher Protagonist
Rating 6.06132 Users
Sweet Home ~H na Onee-san wa Suki Desu ka?~
Sweet Home ~H na Onee-san wa Suki Desu ka?~
NAN%
Tags
  • Family Life Comedy
  • Twin Buttjob
  • Non-blood-related Mother/Son Incest
  • Submissive Protagonist
  • Oneesan-type Heroine
Rating 6.88392 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Yagai Gakushuu
Yagai Gakushuu
58%
Tags
  • Summer Camp
  • Muted Obscenities
  • Promiscuity
  • Shotacon Heroine
  • Short Sexual Scenes
Rating 6.43215 Users
Yagai Gakushuu 2
Yagai Gakushuu 2
44%
Tags
  • Shotacon Heroine
  • Blind Choices
  • Summer Camp
  • Straight Shotacon
  • Fictional Modern Day Japanese Island
Rating 6.6288 Users
Boku no "Natsuyasumi" Himitsu Taiken
Boku no "Natsuyasumi" Himitsu Taiken
33%
Tags
  • Landlady Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Blood-related Aunt/Nephew Incest
  • Heroine with Tan Lines
Rating 6.8822 Users
Mama! Tsuma?
Mama! Tsuma?
32%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6674 Users
Juicy Age
Juicy Age
31%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7538 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
29%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
28%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6752 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
27%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Boy Meets Wives
Boy Meets Wives
25%
Tags
  • Only Older Heroines
  • Lotion Play
  • Middle School Student Protagonist
  • Breast Smothering
  • Consumption of Pornography
Rating 6.7527 Users
Zoku Mama Club
Zoku Mama Club
24%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Matty
Matty
23%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Yarasete! Teacher Change
Yarasete! Teacher Change
22%
Tags
  • Perverted Friend
  • Hetare Protagonist
  • Feet Licking
  • Shota Protagonist
  • School Life Comedy
Rating 6.5238 Users
Sumeragi Ryouko no Bitch na 1 nichi
Sumeragi Ryouko no Bitch na 1 nichi
20%
Tags
  • Nympho Protagonist
  • Foreskin Play
  • Chikan Protagonist
  • Randomized Events
  • Teacher Protagonist
Rating 6.06132 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
19%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Let
Let's la Go! Bokura no Jiyuu Kenkyuu
19%
Tags
  • Lesbian Lolicon
  • Shota Protagonist
  • Straight Shotacon
  • Shotacon
  • Exhibitionism
Rating 6.7138 Users
Mama Shibori 2 (Mama Shibori no Jijou)
Mama Shibori 2 (Mama Shibori no Jijou)
19%
Tags
  • Child Protagonist
  • Shota Protagonist
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Excessive Semen
Rating 7.3952 Users
Mama Club Sankan
Mama Club Sankan
19%
Tags
  • Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shotacon Heroine
  • Mother Support Character
  • Mother/Son Romance
Rating 6.9365 Users
Toshiue Lesson ~Mama to Oba-san to Sensei to~
Toshiue Lesson ~Mama to Oba-san to Sensei to~
19%
Tags
  • Obacon
  • Businesswoman Heroine
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Literary Adaptation
Rating 6.3921 Users
Yarasete! Teacher Sotsugyou
Yarasete! Teacher Sotsugyou
19%
Tags
  • Only Older Heroines
  • Heroine with Glasses
  • Single Ending
  • Teacher Heroine
  • Student Protagonist
Rating 5.9925 Users
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
19%
Tags
  • Only Older Heroines
  • More Than Seven Heroines
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Consensual Group Sex of One Female and Several Males
Rating 6.4831 Users
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
18%
Tags
  • Summer Camp
  • Shotacon
  • Shota Protagonist
  • Child Protagonist
  • Straight Shotacon
Rating 6.4051 Users
Yagai Gakushuu 3
Yagai Gakushuu 3
18%
Tags
  • Promiscuity
  • Swinging
  • Shotacon
  • Summer Camp
  • Straight Shotacon
Rating 7.0881 Users
Yarasete! Teacher
Yarasete! Teacher
18%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.2832 Users
Shin Yarasete! Teacher
Shin Yarasete! Teacher
18%
Tags
  • Shimaidon
  • Oyakodon
  • Shota Protagonist
  • Non-twin Heroine Sisters
  • Principal Heroine
Rating 6.7337 Users

Mousugu Natsuyasumi! has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.

Tags (53 total)

NameScoreImportanceWeight
Promiscuity2.752.286.26
Consensual Group Sex of One Female and Several Males3.002.026.07
Shota Protagonist3.001.855.55
Shotacon Heroine2.002.765.51
Straight Shotacon3.001.815.43
Lolicon3.001.745.21
Middle School Student Protagonist2.002.565.12
Middle School Student Heroine2.002.374.74
Group Sex1.802.624.72
School3.001.514.52
Group Sex of Multiple Females and Males3.001.494.47
Remote-controlled Vibrator2.002.074.14
Early Sexual Content3.001.233.68
Nympho Heroine2.001.833.65
Loli Heroine3.001.193.57
Lots of Event CGs2.001.793.57
Promiscuous Heroine2.001.753.51
Sexual Devices2.001.743.49
Teacher Heroine2.501.373.42
Submissive Protagonist1.502.283.42
School Life Comedy1.751.843.23
Threesome2.001.603.19
High Sexual Content3.001.053.16
Modern Day2.001.573.15
Branching Plot2.331.303.04
Handjob2.001.513.03
Heroine Having Sex with Others2.001.513.03
Heroine with Sexual Experience2.501.213.03
Butterfly2.001.492.99
Big Breast Sizes Heroine2.251.322.96
Short Sexual Scenes1.501.832.74
Naked Sprites2.501.052.63
Exhibitionism1.501.652.48
Protagonist's Childhood Friend as a Heroine2.001.142.28
Student Protagonist1.801.262.27
Netorare1.501.512.26
Blowjob2.001.122.25
Sex in Public Places2.001.092.18
Standing Sex2.001.062.11
Sitting Sex2.001.062.11
Outdoor Sex2.001.001.99
Nukige3.000.651.95
Missionary Position2.000.941.88
Group Sex of One Male and Several Females2.000.921.83
Romance2.000.901.79
Doggy Style2.000.811.61
Student Heroine1.601.001.60
Voyeurism1.001.591.59
Linear Plot1.001.381.38
Anal Penetration1.001.321.32
Sixty-nine1.001.071.07
Shotacon0.502.011.00
ADV2.670.140.39

Traits (111 total)

NameCharactersImportanceWeight
Sex with Others Engages in (Sexual)51.993.56
Casual Sex Engages in (Sexual)32.453.40
Kid Body91.373.16
New Type School Swimsuit Clothes22.532.77
Black Eyes51.422.54
String Ribbon Tie Clothes31.822.52
Sex in Public Places Engages in (Sexual)61.262.45
Promiscuous Personality22.192.40
School Swimming Club President Role13.432.38
Voyeurism Engages in (Sexual)22.142.35
Pleated Skirt Clothes41.402.25
Sex in a Vehicle Engages in (Sexual)22.032.23
Naked Clothes21.962.15
Vaginal Gaping Engages in (Sexual)21.952.14
Group Sex Engages in (Sexual)31.522.11
Library Committee Member Role12.922.03
Sitting Sex Engages in (Sexual)21.822.00
Handjob Subject of (Sexual)21.751.93
Missionary Engages in (Sexual)21.741.91
PE Teacher Role12.741.90
Brown Eyes60.901.75
Parted in Middle Hair31.251.73
Sex with Children Engages in (Sexual)12.491.73
Consensual Group Sex of One Female and Several Males Engages in (Sexual)12.481.72
Classmate Role31.231.70
Penile Masturbation Engages in (Sexual)12.451.70
Blowjob Subject of (Sexual)21.521.67
Sex in Front of an Audience Engages in (Sexual)21.501.65
Reverse Missionary Engages in (Sexual)12.361.63
Ball-cupping Engages in (Sexual)12.331.62
Spiky Bangs Hair41.001.61
Outdoor Sex Engages in (Sexual)31.161.60
Class President Role12.281.58
Loner Personality12.261.57
Tanline Body12.261.56
Not a Virgin Role21.411.55
Hair Tie Clothes21.411.55
Reverse Cowgirl Engages in (Sexual)12.221.54
Micro Bikini Clothes12.211.54
Tareme Eyes31.111.53
Seduction Engages in12.171.51
Black Hair50.811.44
T-shirt Clothes21.311.44
Freckles Body12.031.41
Transfer Student Role12.021.40
Butterfly Engages in (Sexual)12.021.40
Neighbor Role11.991.38
Slim Body100.581.38
Voyeurism Subject of (Sexual)11.951.35
Assertive Personality11.941.34
Brown Hair60.681.33
Group Sex of Multiple Females and Males Engages in (Sexual)11.911.32
Friend Role21.201.32
Masturbation in front of an Audience Engages in (Sexual)11.901.32
Straight Hair30.941.31
Quickie Fix Engages in (Sexual)11.881.30
Standing Sex Engages in (Sexual)11.871.29
Timid Personality11.861.29
Butterfly Subject of (Sexual)21.171.29
Doggy Style Subject of (Sexual)30.921.28
Handjob Engages in (Sexual)21.161.27
Shoulder-length Hair30.921.27
Boku Personality11.781.23
Missionary Subject of (Sexual)21.121.23
Anal Sex Engages in (Sexual)11.761.22
Side Tail Hair11.751.21
Vaginal/Anal Sexual Toys Subject of (Sexual)11.741.21
Reverse Missionary Subject of (Sexual)11.741.20
Sports Shoes Clothes11.721.19
Quickie Fix Subject of (Sexual)21.081.19
Cowgirl Engages in (Sexual)11.711.19
Reserved Personality11.711.19
Vaginal Fingering Subject of (Sexual)21.081.18
Nipple Sucking Engages in (Sexual)11.701.18
Doggy Style Engages in (Sexual)11.681.17
Vaginal Masturbation Engages in (Sexual)11.671.16
Parted to Side Hair21.051.15
Popular Role11.641.13
Sweater Clothes11.631.13
Nipple Teasing Subject of (Sexual)11.571.09
Sex in Water Engages in (Sexual)11.561.08
Sidehair Hair20.981.08
Cunnilingus Engages in (Sexual)11.551.07
Sex at School Engages in (Sexual)11.551.07
Cowgirl Subject of (Sexual)20.951.05
Student Role11.491.03
Short Hair40.610.98
Hairpin Clothes11.400.97
Blunt Bangs Hair11.400.97
Female Ejaculation Engages in (Sexual)11.360.95
Wavy Hair11.360.94
Virgin Sex Engages in (Sexual)20.850.94
Ahoge Hair11.320.92
Curtained Hair11.300.90
Childhood Friend Role11.260.87
Watashi Personality11.250.87
Pale Body90.370.85
Friendly Personality11.220.84
Blowjob Engages in (Sexual)20.760.84
Long Hair20.750.82
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.81
Cunnilingus Subject of (Sexual)11.160.81
Twin Tails Hair11.130.78
Ponytail Hair11.100.76
Glasses Clothes11.080.75
Sitting Sex Subject of (Sexual)11.060.74
Thigh-high Stockings Clothes11.040.72
Kind Personality11.030.71
Young-adult Body10.760.53
Teen Body10.620.43